diff --git a/hosts/server7/yggdrasil-prefix.nix b/hosts/server7/yggdrasil-prefix.nix
index 3aa7271d..349b7811 100644
--- a/hosts/server7/yggdrasil-prefix.nix
+++ b/hosts/server7/yggdrasil-prefix.nix
@@ -15,6 +15,7 @@ in {
       interface enp2s0f1
       {
       	AdvSendAdvert on;
+      	AdvRouteLifetime 0;
       	prefix ${yggaddr.prefix}:/64 {
       		AdvOnLink on;
       		AdvAutonomous on;